EP0714173A4 - Verfahren und vorrichtung zur signalkodierung und -dekodierung, aufzeichnungsmedium und signalübertragungsvorrichtung - Google Patents

Verfahren und vorrichtung zur signalkodierung und -dekodierung, aufzeichnungsmedium und signalübertragungsvorrichtung

Info

Publication number
EP0714173A4
EP0714173A4 EP95921157A EP95921157A EP0714173A4 EP 0714173 A4 EP0714173 A4 EP 0714173A4 EP 95921157 A EP95921157 A EP 95921157A EP 95921157 A EP95921157 A EP 95921157A EP 0714173 A4 EP0714173 A4 EP 0714173A4
Authority
EP
European Patent Office
Prior art keywords
signal
noise components
recording medium
encoding
channels
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP95921157A
Other languages
English (en)
French (fr)
Other versions
EP0714173B1 (de
EP0714173A1 (de
Inventor
Yoshiaki Oikawa
Kyoya Tsutsui
Shinji Miyamori
Masatoshi Ueno
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Publication of EP0714173A1 publication Critical patent/EP0714173A1/de
Publication of EP0714173A4 publication Critical patent/EP0714173A4/de
Application granted granted Critical
Publication of EP0714173B1 publication Critical patent/EP0714173B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/86—Arrangements characterised by the broadcast information itself
    • H04H20/88—Stereophonic broadcast systems
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/012—Comfort noise or silence coding
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/24—Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing noise
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/665—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using psychoacoustic properties of the ear, e.g. masking effect
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/667—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using a division in frequency subbands
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • G11B2020/10537—Audio or video recording
    • G11B2020/10592—Audio or video recording specifically adapted for recording or reproducing multichannel signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
EP95921157A 1994-06-13 1995-06-12 Verfahren und vorrichtung zur signalkodierung und -dekodierung, aufzeichnungsmedium und signalübertragungsverfahren Expired - Lifetime EP0714173B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP130695/94 1994-06-13
JP13069594 1994-06-13
JP13069594 1994-06-13
PCT/JP1995/001172 WO1995034956A1 (fr) 1994-06-13 1995-06-12 Procede et dispositif de codage de signal, procede et dispositif de decodage de signal, support d'enregistrement et dispositif de transmission de signaux

Publications (3)

Publication Number Publication Date
EP0714173A1 EP0714173A1 (de) 1996-05-29
EP0714173A4 true EP0714173A4 (de) 2002-05-02
EP0714173B1 EP0714173B1 (de) 2005-04-13

Family

ID=15040418

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95921157A Expired - Lifetime EP0714173B1 (de) 1994-06-13 1995-06-12 Verfahren und vorrichtung zur signalkodierung und -dekodierung, aufzeichnungsmedium und signalübertragungsverfahren

Country Status (14)

Country Link
US (1) US6061649A (de)
EP (1) EP0714173B1 (de)
JP (1) JP3428024B2 (de)
KR (1) KR100419546B1 (de)
CN (1) CN1101087C (de)
AT (1) ATE293276T1 (de)
BR (1) BR9506263A (de)
CA (1) CA2169366A1 (de)
DE (1) DE69534140T2 (de)
ES (1) ES2236708T3 (de)
MX (1) MX9600574A (de)
PL (1) PL184295B1 (de)
TW (1) TW295747B (de)
WO (1) WO1995034956A1 (de)

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US6665825B1 (en) * 2000-11-06 2003-12-16 Agere Systems Inc. Cellular CDMA transmission system
JP4622164B2 (ja) * 2001-06-15 2011-02-02 ソニー株式会社 音響信号符号化方法及び装置
US6985709B2 (en) * 2001-06-22 2006-01-10 Intel Corporation Noise dependent filter
JP2003347940A (ja) * 2002-05-28 2003-12-05 Fujitsu Ltd 音声を高能率符号化するシステムに音声帯域のデータ信号を透過させるための符号化と伝送の方法と装置
DE102004007191B3 (de) * 2004-02-13 2005-09-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierung
KR101079066B1 (ko) 2004-03-01 2011-11-02 돌비 레버러토리즈 라이쎈싱 코오포레이션 멀티채널 오디오 코딩
KR100668299B1 (ko) * 2004-05-12 2007-01-12 삼성전자주식회사 구간별 선형양자화를 이용한 디지털 신호 부호화/복호화방법 및 장치
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KR100695125B1 (ko) * 2004-05-28 2007-03-14 삼성전자주식회사 디지털 신호 부호화/복호화 방법 및 장치
ATE442644T1 (de) 2004-08-26 2009-09-15 Panasonic Corp Mehrkanalige signal-dekodierung
KR100707173B1 (ko) * 2004-12-21 2007-04-13 삼성전자주식회사 저비트율 부호화/복호화방법 및 장치
KR100682915B1 (ko) * 2005-01-13 2007-02-15 삼성전자주식회사 다채널 신호 부호화/복호화 방법 및 장치
CN100466600C (zh) * 2005-03-08 2009-03-04 华为技术有限公司 下一代网络中实现接入配置模式资源预留的方法
FR2891100B1 (fr) * 2005-09-22 2008-10-10 Georges Samake Codec audio utilisant la transformation de fourier rapide, le recouvrement partiel et une decomposition en deux plans basee sur l'energie.
US20100017199A1 (en) * 2006-12-27 2010-01-21 Panasonic Corporation Encoding device, decoding device, and method thereof
KR101261524B1 (ko) * 2007-03-14 2013-05-06 삼성전자주식회사 노이즈를 포함하는 오디오 신호를 저비트율로부호화/복호화하는 방법 및 이를 위한 장치
WO2008132850A1 (ja) * 2007-04-25 2008-11-06 Panasonic Corporation ステレオ音声符号化装置、ステレオ音声復号装置、およびこれらの方法
JP5446258B2 (ja) * 2008-12-26 2014-03-19 富士通株式会社 オーディオ符号化装置
JP5304504B2 (ja) * 2009-07-17 2013-10-02 ソニー株式会社 信号符号化装置、信号復号装置、信号処理システム、これらにおける処理方法およびプログラム
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KR101821608B1 (ko) 2017-07-03 2018-01-25 엘아이지넥스원 주식회사 음향센서신호 무손실 부호화/복호화 처리를 위한 시스템 및 방법

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WO1994028633A1 (fr) * 1993-05-31 1994-12-08 Sony Corporation Appareil et procede de codage ou decodage de signaux, et support d'enregistrement

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Also Published As

Publication number Publication date
CN1130961A (zh) 1996-09-11
ATE293276T1 (de) 2005-04-15
KR100419546B1 (ko) 2004-05-27
DE69534140D1 (de) 2005-05-19
JP3428024B2 (ja) 2003-07-22
PL184295B1 (pl) 2002-09-30
EP0714173B1 (de) 2005-04-13
EP0714173A1 (de) 1996-05-29
PL312947A1 (en) 1996-05-27
BR9506263A (pt) 1997-08-12
ES2236708T3 (es) 2005-07-16
US6061649A (en) 2000-05-09
TW295747B (de) 1997-01-11
DE69534140T2 (de) 2006-02-16
WO1995034956A1 (fr) 1995-12-21
CN1101087C (zh) 2003-02-05
MX9600574A (es) 1997-04-30
CA2169366A1 (en) 1995-12-21

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